Air Quality in Lemont, United States

Clear
27.1°C · 33.6% humidity
27.1°
Feels 27.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 6pm
27
34
38 9pm
43
46
48 12am
50
51
52 3am
52
53
53 6am
53
24
25 9am
25
25
25 12pm
25
25
25 3pm
25
25
AD 728×90

Air Quality Index Trend

45h · 212 stn

Lemont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

33.6%
Humidity
39.4 km/h
Wind NNE
1017.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.03 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Lemont?

Temperature & Precipitation

PM2.5 Trend

45h · 212 stations
PM2.59.03 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
9.03
Median
9.1
Average
8.6
Low
9.6
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +4.7

What is the 7-day forecast for Lemont?

08-03
27.3° 17.7°
4.75 mm
08-04
33.2° 17.0°
08-05
31.1° 16.3°
3.56 mm
08-06
35.0° 22.0°
08-07
29.8° 18.7°
08-08
32.9° 18.7°
3.56 mm
08-09
33.2° 23.5°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Lemont?

33
Naperville, Illinois, USA
16.6 km PM2.5: 7.9 µg/m³
35
Naperville, Illinois, USA
16.6 km PM2.5: 8.4 µg/m³
35
Naperville, Illinois, USA
16.6 km PM2.5: 8.4 µg/m³
57
Joliet, Illinois, USA
18.9 km PM2.5: 15.0 µg/m³
38
Joliet, Illinois, USA
18.9 km PM2.5: 9.1 µg/m³
50
Joliet, Illinois, USA
18.9 km PM2.5: 12.0 µg/m³
34
Clearing 1
20.2 km PM2.5: 8.2 µg/m³
33
Garfield Ridge 4
20.9 km PM2.5: 8.0 µg/m³
21
Clearing 2
22.3 km PM2.5: 5.0 µg/m³
40
Alsip, Illinois, USA
22.4 km PM2.5: 9.6 µg/m³

What cities are near Lemont?

37 Bolingbrook 40 Goodings Grove 38 Romeoville 36 Woodridge 40 Homer Glen 40 Lockport 41 Orland Park 38 Westmont 36 Downers Grove 39 Hinsdale
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:05 UTC.